Assignee
PING AN COAL MINING ENGINEERING TECH RESEARCH INSTITUTE CO LTD
CN·3 granted patents·1 pending application·2 citations·filing 2024–2024
Top patents by PatentIndex Score
4 records- 0183US12044531B1Level instrument and method for surveying mining subsidence zone in coal mining areaPING AN COAL MINING ENGINEERING TECH RESEARCH INSTITUTE CO LTD·Filed 2024·Granted Jul 23, 2024·2 cites·16 claims
- 0253US12188198B2Method for constructing fixed monitoring pile for mining area with high phreatic water levelPING AN COAL MINING ENGINEERING TECH RESEARCH INSTITUTE CO LTD·Filed 2024·Granted Jan 7, 2025·0 cites·9 claims
- 0352US12146410B1Method for dewatering coal mine goaf by crossing neighboring goafPING AN COAL MINING ENGINEERING TECH RESEARCH INSTITUTE CO LTD·Filed 2024·Granted Nov 19, 2024·0 cites·10 claims
- 0445US2025059889A1Method for screening key stratum for overburden separation grouting in coal minePING AN COAL MINING ENGINEERING TECH RESEARCH INSTITUTE CO LTD·Filed 2024·Application pending·0 cites
Join the waitlist — get patent alerts
Get an alert when PING AN COAL MINING ENGINEERING TECH RESEARCH INSTITUTE CO LTD files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →